Does early specialisation improve drop jump and Y-balance performance in junior football players?

Anja Zoellner¹*, Chris Whatman¹, Paul Read^2,3,4, Kelly Sheerin^1
1 Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, New Zealand
² School of Sport and Exercise, University of Gloucestershire, United Kingdom
³ Division of Surgery and Interventional Science, University College London, United Kingdom
⁴ Faculty of Sport, Allied Health and Performance Science, St Marys University, United Kingdom